* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* 改为flex-start */
    padding: 80px 20px 20px 20px; /* 增加顶部padding */
}

div {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    padding: 40px;
    width: 100%;
    max-width: 500px;
    animation: slideIn 0.6s ease-out;
    margin-top: 20px; /* 额外的上边距 */
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 其他样式保持不变 */
form {
    display: flex;
    flex-direction: column;
}

form > div {
    padding: 0;
    margin-bottom: 25px;
    box-shadow: none;
    background: none;
}

form > div:last-child {
    margin-bottom: 0;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 16px;
}

label[for="dateTime"] {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 16px;
    content: "上映日期:";
}

input[type="text"] {
    width: 100%;
    padding: 14px;
    border: 2px solid #e1e5ee;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

input[type="text"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    background-color: white;
}

input[readonly] {
    background-color: #f1f3f6;
    cursor: pointer;
}

input::placeholder {
    color: #a0a7b8;
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 600px) {
    body {
        padding: 60px 10px 10px 10px;
    }

    div {
        padding: 25px;
    }
}
